Weather in Oak Summit, MD
Oak Summit, Saturday, 8 August, 15:42
Overcast. Feels like 102°. High 89°, low 71°.
Monthly outlook for Oak Summit, MD: average high 82.5°, average low 67.3°. That is 0.2° above the climate normal for August. Precipitation is expected on 6 days (about 1.1 inches), against a normal of 6 days and 2.3 inches. The warmest day looks like 10 August (91.1°), the coolest 15 August (59.1°).
Ten-day blocks vs climate normal
| Period | Forecast high | Normal | Difference |
|---|---|---|---|
| 8 August – 17 August | 84.6° | 82.9° | +0.9° |
| 18 August – 27 August | 78.9° | 81.4° | -1.4° |
| 28 August – 6 September | at normal | 80.7° | — |
August records over 66 years
Climate normals and records are computed from the nearest reference point — Parkville (2 mi).
0
Oak Summit, Sunday, 9 August
Clear. High 90°, low 71°.
0.17
Oak Summit, Monday, 10 August
Rain. High 91°, low 73°.
0.12Oak Summit, Tuesday, 11 August
Light rain. High 90°, low 71°.
0.16Oak Summit, Wednesday, 12 August
Light rain. High 85°, low 71°.
0.02Oak Summit, Thursday, 13 August
Light rain. High 88°, low 70°.
0.03Oak Summit, Friday, 14 August
Light rain. High 76°, low 63°.
0Oak Summit, Saturday, 15 August
Clear. High 77°, low 59°.
0Oak Summit, Sunday, 16 August
Clear. High 78°, low 61°.
0
Oak Summit, Monday, 17 August
Mostly clear. High 82°, low 64°.
0.21Oak Summit, Tuesday, 18 August
Rain. High 74°, low 71°.
0.01Oak Summit, Wednesday, 19 August
Light rain. High 85°, low 70°.
0Oak Summit, Thursday, 20 August
Overcast. High 79°, low 65°.
0.32Oak Summit, Friday, 21 August
Light rain. High 75°, low 68°.
0.01Oak Summit, Saturday, 22 August
Light rain. High 86°, low 69°.
0
Oak Summit, Sunday, 23 August
Partly cloudy. High 75°, low 61°.
0.07Oak Summit, Monday, 24 August
Climate normal for this date — 60-year average.
0.06Oak Summit, Tuesday, 25 August
Climate normal for this date — 60-year average.
0.08Oak Summit, Wednesday, 26 August
Climate normal for this date — 60-year average.
0.17
Oak Summit, Thursday, 27 August
Climate normal for this date — 60-year average.
0.17Oak Summit, Friday, 28 August
Climate normal for this date — 60-year average.
0.12Oak Summit, Saturday, 29 August
Climate normal for this date — 60-year average.
0.07Oak Summit, Sunday, 30 August
Climate normal for this date — 60-year average.
0.08Oak Summit, Monday, 31 August
Climate normal for this date — 60-year average.
0.14Oak Summit, Tuesday, 1 September
Climate normal for this date — 60-year average.
0.11Oak Summit, Wednesday, 2 September
Climate normal for this date — 60-year average.
0.11Oak Summit, Thursday, 3 September
Climate normal for this date — 60-year average.
0.1Oak Summit, Friday, 4 September
Climate normal for this date — 60-year average.
0.13Oak Summit, Saturday, 5 September
Climate normal for this date — 60-year average.
0.25Oak Summit, Sunday, 6 September
Climate normal for this date — 60-year average.
About the monthly outlook
How accurate is a 30-day forecast?
The first 16 days come from weather models — reliable for the first 3–5 days and progressively less so after that. Days 17 through 30 for Oak Summit, MD are built from the climate normal, the 60-year average, so they show typical weather for those dates rather than a specific forecast.
What does "above normal" mean?
We compare the forecast against the climate normal for those exact calendar days, computed from 60 years of observations. The deviation shows how much the coming month differs from a typical one.
Where do the 66-year records come from?
They are real temperature extremes recorded in Oak Summit, MD since 1960: the highest and lowest reading for each calendar date, with the year it happened.
How often is it updated?
The forecast portion refreshes every hour; the climate portion is based on long-term data and stays stable.
Sun and moon today
Weather history
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